Model:SRT-6223
Surface Profile Gauge  SRT-6223 
Applications: Specially used to take accurate measurement of the peak-to-valley height of the surface profile of the surface profile of blast cleaned surfaces.
Specifications:
Display : 4 digits, LCD
Range: 0 μm to 800 μm (0 mils to 30 mils)
Accuracy: ±5% or ±5 μm,(whichever is the greater)
Resolution: 1 μm (0.1 mils)
Metric and Imperial switchable
PC interface:  RS232C
Measurement speed:  >30 readings per minute
Weight:      280 g
Dimensions: 162 x 65x 28 mm (6.4 x 2.6 x 1.1 inch)
Operating temperature: 0°C to 50°C, <80%RH
Case:        High impact ABS
Batteries: 4 x 1.5v (AAA) battery
Standard accessories  included :
          Carrying case:   1 pc.
          Operation manual        1 pc.
Optional accessory:
         Cable and software  for RS232C